Experimental Study of Gangue Layer Weakening with Deep-Hole Presplitting Blasting
Advances in coal mining technology and an increase in coal output are resulting in increasingly challenging conditions being encountered at coal seams. This is particularly so at thin coal seams, where a large number of hard rock layers known as gangue are often present, which seriously affect the n...
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| Format: | article |
| Langue: | EN |
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Hindawi Limited
2021
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| Accès en ligne: | https://doaj.org/article/8816dd2272e1472e9cb01b31c12b5096 |
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